DevTools: disable DOMAgent when profiler is active

Source/core/inspector/InspectorDOMAgent.cpp

Index: Source/core/inspector/InspectorDOMAgent.cpp
diff --git a/Source/core/inspector/InspectorDOMAgent.cpp b/Source/core/inspector/InspectorDOMAgent.cpp
index 8541804f0f6467bcea4ba1efcdfc9ebb8935fb92..42db5e9a383349cb05d58fcc6c1c0bee34d2d1c1 100644
--- a/Source/core/inspector/InspectorDOMAgent.cpp
+++ b/Source/core/inspector/InspectorDOMAgent.cpp
@@ -276,9 +276,10 @@ void InspectorDOMAgent::clearFrontend()
 
 void InspectorDOMAgent::restore()
 {
-    // Reset document to avoid early return from setDocument.
-    m_document = nullptr;
-    setDocument(m_pageAgent->mainFrame()->document());
+    if (!enabled())
+        return;
+    innerEnable();
+    notifyDocumentUpdated();
 }
 
 Vector<Document*> InspectorDOMAgent::documents()
@@ -486,15 +487,27 @@ Element* InspectorDOMAgent::assertEditableElement(ErrorString* errorString, int
     return element;
 }
 
-void InspectorDOMAgent::enable(ErrorString*)
+void InspectorDOMAgent::innerEnable()
 {
-    if (enabled())
-        return;
     m_state->setBoolean(DOMAgentState::domAgentEnabled, true);
     if (m_listener)
         m_listener->domAgentWasEnabled();
 }
 
+void InspectorDOMAgent::enable(ErrorString*)
+{
+    if (enabled())
+        return;
+    innerEnable();
+    notifyDocumentUpdated();
+}
+
+void InspectorDOMAgent::notifyDocumentUpdated()
+{
+    m_document = nullptr;
+    setDocument(m_pageAgent->mainFrame()->document());
+}
+
 bool InspectorDOMAgent::enabled() const
 {
     return m_state->getBoolean(DOMAgentState::domAgentEnabled);
@@ -513,7 +526,8 @@ void InspectorDOMAgent::disable(ErrorString*)
 void InspectorDOMAgent::getDocument(ErrorString* errorString, RefPtr<TypeBuilder::DOM::Node>& root)
 {
     // Backward compatibility. Mark agent as enabled when it requests document.
-    enable(errorString);
+    if (!enabled())
+        innerEnable();
 
     if (!m_document) {
         *errorString = "Document is not available";